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#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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|
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#include <poll.h> |
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#include <adns.h> |
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|
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#include "EVAPI.h" |
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|
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static HV *stash; |
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static adns_state ads; |
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|
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struct ctx |
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{ |
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SV *self; |
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adns_query query; |
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SV *cb; |
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}; |
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|
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static void |
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process () |
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{ |
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dSP; |
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|
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for (;;) |
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{ |
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adns_query q; |
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adns_answer *a; |
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void *ctx; |
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SV *cb; |
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struct ctx *c; |
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int r = adns_check (ads, &q, &a, &ctx); |
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|
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if (r) |
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break; |
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|
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c = (struct ctx *)ctx; |
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cb = c->cb; |
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c->cb = 0; |
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ev_unref (); |
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|
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PUSHMARK (SP); |
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call_sv (cb, G_VOID | G_DISCARD | G_EVAL); |
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|
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SvREFCNT_dec (cb); |
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} |
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} |
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|
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static struct pollfd *fds; |
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static int nfd; |
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static ev_io *iow; |
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static ev_timer tw; |
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static ev_prepare prepare_ev; |
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static struct timeval tv_now; |
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|
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static void |
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update_now (EV_P) |
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{ |
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ev_tstamp t = ev_now (); |
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|
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tv_now.tv_sec = (long)t; |
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tv_now.tv_usec = (long)((t - (ev_tstamp)tv_now.tv_sec) * 1e-6); |
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} |
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|
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static void |
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timer_cb (EV_P_ ev_timer *w, int revents) |
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{ |
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} |
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|
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static void |
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io_cb (EV_P_ ev_io *w, int revents) |
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{ |
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update_now (EV_A); |
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|
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if (revents & EV_READ ) adns_processreadable (ads, w->fd, &tv_now); |
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if (revents & EV_WRITE) adns_processwriteable (ads, w->fd, &tv_now); |
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} |
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|
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// create io watchers for each fd and a timer before blocking |
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static void |
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prepare_cb (EV_P_ ev_prepare *w, int revents) |
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{ |
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int i; |
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int timeout = 3600000; |
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|
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ev_timer_stop (EV_A_ &tw); |
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|
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for (i = 0; i < nfd; ++i) |
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ev_io_stop (EV_A_ iow + i); |
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|
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process (); |
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|
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update_now (EV_A); |
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|
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while (adns_beforepoll (ads, fds, &nfd, &timeout, &tv_now)) |
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{ |
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free (iow); iow = malloc (nfd * sizeof (struct pollfd)); |
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free (fds); fds = malloc (nfd * sizeof (ev_io)); |
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} |
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|
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ev_timer_set (&tw, timeout * 1e-3, 0.); |
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ev_timer_start (EV_A_ &tw); |
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|
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// create on ev_io per pollfd |
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for (i = 0; i < nfd; ++i) |
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{ |
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ev_io_init (iow + i, io_cb, fds [i].fd, |
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((fds [i].events & POLLIN ? EV_READ : 0) |
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| (fds [i].events & POLLOUT ? EV_WRITE : 0))); |
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|
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ev_io_start (EV_A_ iow + i); |
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} |
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} |
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|
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MODULE = EV::ADNS PACKAGE = EV::ADNS |
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|
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PROTOTYPES: ENABLE |
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|
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BOOT: |
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{ |
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stash = gv_stashpv ("EV::ADNS", 1); |
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|
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static const struct { |
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const char *name; |
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IV iv; |
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} *civ, const_iv[] = { |
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# define const_iv(name) { # name, (IV) adns_ ## name }, |
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const_iv (if_none) |
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const_iv (if_noenv) |
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const_iv (if_noerrprint) |
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const_iv (if_noserverwarn) |
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const_iv (if_debug) |
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const_iv (if_logpid) |
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const_iv (if_noautosys) |
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const_iv (if_eintr) |
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const_iv (if_nosigpipe) |
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const_iv (if_checkc_entex) |
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const_iv (if_checkc_freq) |
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|
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const_iv (qf_none) |
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const_iv (qf_search) |
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const_iv (qf_usevc) |
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const_iv (qf_owner) |
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const_iv (qf_quoteok_query) |
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const_iv (qf_quoteok_cname) |
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const_iv (qf_quoteok_anshost) |
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const_iv (qf_quotefail_cname) |
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const_iv (qf_cname_loose) |
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const_iv (qf_cname_forbid) |
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|
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const_iv (rrt_typemask) |
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const_iv (_qtf_deref) |
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const_iv (_qtf_mail822) |
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const_iv (r_unknown) |
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const_iv (r_none) |
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const_iv (r_a) |
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const_iv (r_ns_raw) |
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const_iv (r_ns) |
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const_iv (r_cname) |
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const_iv (r_soa_raw) |
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const_iv (r_soa) |
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const_iv (r_ptr_raw) |
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const_iv (r_ptr) |
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const_iv (r_hinfo) |
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const_iv (r_mx_raw) |
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const_iv (r_mx) |
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const_iv (r_txt) |
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const_iv (r_rp_raw) |
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const_iv (r_rp) |
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const_iv (r_srv_raw) |
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const_iv (r_srv) |
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const_iv (r_addr) |
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|
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const_iv (s_ok) |
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const_iv (s_nomemory) |
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const_iv (s_unknownrrtype) |
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const_iv (s_systemfail) |
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const_iv (s_max_localfail) |
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const_iv (s_timeout) |
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const_iv (s_allservfail) |
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const_iv (s_norecurse) |
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const_iv (s_invalidresponse) |
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const_iv (s_unknownformat) |
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const_iv (s_max_remotefail) |
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const_iv (s_rcodeservfail) |
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const_iv (s_rcodeformaterror) |
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const_iv (s_rcodenotimplemented) |
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const_iv (s_rcoderefused) |
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const_iv (s_rcodeunknown) |
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const_iv (s_max_tempfail) |
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const_iv (s_inconsistent) |
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const_iv (s_prohibitedcname) |
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const_iv (s_answerdomaininvalid) |
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const_iv (s_answerdomaintoolong) |
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const_iv (s_invaliddata) |
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const_iv (s_max_misconfig) |
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const_iv (s_querydomainwrong) |
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const_iv (s_querydomaininvalid) |
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const_iv (s_querydomaintoolong) |
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const_iv (s_max_misquery) |
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const_iv (s_nxdomain) |
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const_iv (s_nodata) |
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const_iv (s_max_permfail) |
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}; |
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|
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for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
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newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
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|
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I_EV_API ("EV::ADNS"); |
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|
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ev_prepare_init (&prepare_ev, prepare_cb); ev_prepare_start (EV_DEFAULT_ &prepare_ev); |
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ev_unref (); |
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|
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ev_init (&tw, timer_cb); |
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|
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adns_init (&ads, adns_if_noenv | adns_if_noerrprint | adns_if_noserverwarn | adns_if_noautosys, 0); |
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} |
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|
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void submit (char *owner, int type, int flags, SV *cb) |
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PPCODE: |
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{ |
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SV *csv = NEWSV (0, sizeof (struct ctx)); |
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struct ctx *c = (struct ctx *)SvPVX (csv); |
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int r = adns_submit (ads, owner, type, flags, (void *)c, &c->query); |
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|
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if (r) |
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{ |
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printf ("errn %d\n", r);//D |
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SvREFCNT_dec (csv); |
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XSRETURN_EMPTY; |
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} |
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else |
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{ |
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ev_ref (); |
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SvPOK_only (csv); |
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SvCUR_set (csv, sizeof (struct ctx)); |
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c->self = csv; |
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c->cb = newSVsv (cb); |
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|
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if (GIMME_V != G_VOID) |
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{ |
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csv = sv_2mortal (newRV_inc (csv)); |
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sv_bless (csv, stash); |
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XPUSHs (csv); |
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} |
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} |
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} |
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|
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void DESTROY (SV *req) |
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CODE: |
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{ |
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struct ctx *c; |
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|
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if (!(SvROK (req) && SvOBJECT (SvRV (req)) |
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&& (SvSTASH (SvRV (req)) == stash))) |
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croak ("object is not of type EV::ADNS"); |
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|
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c = (struct ctx *)SvPVX (SvRV (req)); |
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|
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if (c->cb) |
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{ |
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ev_unref (); |
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adns_cancel (c->query); |
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SvREFCNT_dec (c->cb); |
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} |
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|
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SvREFCNT_dec (c->self); |
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} |
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|
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|
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|
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|
